remove.js

'use strict'
var path = require('path')
var fs = require('graceful-fs')
var rimraf = require('rimraf')
var asyncMap = require('slide').asyncMap
var mkdirp = require('mkdirp')
var npm = require('../../npm.js')
var andIgnoreErrors = require('../and-ignore-errors.js')
var move = require('../../utils/move.js')
var isInside = require('path-is-inside')
var vacuum = require('fs-vacuum')

// This is weird because we want to remove the module but not it's node_modules folder
// allowing for this allows us to not worry about the order of operations
module.exports = function (staging, pkg, log, next) {
  log.silly('remove', pkg.path)
  if (pkg.target) {
    removeLink(pkg, next)
  } else {
    removeDir(pkg, log, next)
  }
}

function removeLink (pkg, next) {
  var base = isInside(pkg.path, npm.prefix) ? npm.prefix : pkg.path
  rimraf(pkg.path, (err) => {
    if (err) return next(err)
    vacuum(pkg.path, {base: base}, next)
  })
}

function removeDir (pkg, log, next) {
  var modpath = path.join(path.dirname(pkg.path), '.' + path.basename(pkg.path) + '.MODULES')

move(path.join(pkg.path, 'node_modules'), modpath).then(unbuildPackage, unbuildPackage)

function unbuildPackage (moveEr) {
    rimraf(pkg.path, moveEr ? andRemoveEmptyParents(pkg.path) : moveModulesBack)
  }

function andRemoveEmptyParents (path) {
    return function (er) {
      if (er) return next(er)
      removeEmptyParents(pkg.path)
    }
  }

function moveModulesBack () {
    fs.readdir(modpath, makeTarget)
  }

function makeTarget (readdirEr, files) {
    if (readdirEr) return cleanup()
    if (!files.length) return cleanup()
    mkdirp(path.join(pkg.path, 'node_modules'), function (mkdirEr) { moveModules(mkdirEr, files) })
  }

function moveModules (mkdirEr, files) {
    if (mkdirEr) return next(mkdirEr)
    asyncMap(files, function (file, done) {
      var from = path.join(modpath, file)
      var to = path.join(pkg.path, 'node_modules', file)
      // we ignore errors here, because they can legitimately happen, for instance,
      // bundled modules will be in both node_modules folders
      move(from, to).then(andIgnoreErrors(done), andIgnoreErrors(done))
    }, cleanup)
  }

function cleanup () {
    rimraf(modpath, afterCleanup)
  }

function afterCleanup (rimrafEr) {
    if (rimrafEr) log.warn('remove', rimrafEr)
    removeEmptyParents(path.resolve(pkg.path, '..'))
  }

function removeEmptyParents (pkgdir) {
    fs.rmdir(pkgdir, function (er) {
      // FIXME: Make sure windows does what we want here
      if (er && er.code !== 'ENOENT') return next()
      removeEmptyParents(path.resolve(pkgdir, '..'))
    })
  }
}

docroot: /home/induvedam/public_html

curdir: /opt/alt/alt-nodejs9/root/usr/lib/node_modules/npm/lib/install/action

	.	4096
	..	4096
X	build.js	412
X	extract-worker.js	459
X	extract.js	4842
X	fetch.js	515
X	finalize.js	3897
X	global-install.js	604
X	global-link.js	235
X	install.js	266
X	move.js	3159
X	postinstall.js	274
X	preinstall.js	272
X	prepare.js	1055
X	refresh-package-json.js	1531
X	remove.js	2645
X	unbuild.js	659